Josephine has a rectangular garden with an area of 2x2 + x – 6 square feet.
Which expressions can represent the length and width of the garden?
length = x2 – 3 feet; width = 2 feet
length = 2x + 3 feet; width = x – 2 feet
length = 2x + 2 feet; width = x – 3 feet
length = 2x – 3 feet; width = x + 2 feet
Answers
Answer:
D
Step-by-step explanation:
Related Questions
Which of the following is a trigonometric identity?
cot 0 + tan 0 = 1
sec2 0 +csc2 0 = 1
tan2 0 = sin2 0 x sec2 0
cos2 = sec2 0 x tank 0
Answers
Answer:
it's the first one... I think
Answer:
third one
I'm assuming does 2's are squared symbols.
Step-by-step explanation:
It's the third one because
sin^2 x sec^2 x
sin^2 x (1/cos^2 x) by reciprocal identity
sin^2 x/cos^2 x by multiplicative identity prop
tan^2 x by quotient identity
The first one wouldn't work because plugging in pi/4 gives 1+1=1 which isn't true.
The second one doesn't work because plugging in pi/4 gives 2+2=1 which isn't true.
The last equation doesn't make sense at all. There is no variable on the left and on the right there is an extra variable.
A water company charges $20 for service and $2.75 for every thousand gallons of water used in month. Construct a linear model to represent the water bill; how much would you be charged if you used 14-thousand gallons of water this month?
Answers
Answer:
$58.50
Step-by-step explanation:
2.75 per 1000
2.75 x 14 = 38.5
$38.50 + $20 =$58.50
Solve 5 tanx=523 for ° SXS 180°.
60°
b. 150°
a.
30°
N
Please select the best answer from the choices provided
Answers
Answer:
x = 1
Step-by-step explanation:
523 x = 523 Divide each term in 523 x = 523 by 523 . 523 x 523 = 523 523
Cancel the common factor of 523 .
Tap for more steps... x = 523 523
Divide 523 by 523 . x = 1 May I please have a Brainliest please rate this too and like!
For the following situations decide what type of chi square test is appropriate. Explain.
A random sample of 200 students was asked to sample a new type of pizza that the school was considering using as a replacement for the current pizza. Each student stated if they were a freshman, sophomore, junior, or senior and also if they liked the new pizza more than the current pizza (or not). The school would like to know if there is a relationship between grade level and pizza opinion.
Answers
Answer:
Following are the responses to the given question:
Step-by-step explanation:
In the given scenario, the Chi-square test is independent, which could be used because they would know whether it has any association among the several types of children like an old or new pizza. It does not associate discrete or factors that motivate with continuous data. In addition, only correlations among categorical data are evaluated inside the Chi-Square Independence Test, but causative inferential statistics cannot be given.
The type of chi square test that is appropriate for the following situation is Chi square test of independence.
What is chi square test of independence?Within the same population, the Chi-square test for independence looks for an association between two categorical variables.
The school would like to know if there is a relationship between grade level and pizza opinion.
Two variables' relationship is to be known.
That is why, we will use chi square test of independence.
Learn more about chi square test of independence:
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Jellybeans cost 0.80 per pound Howard buys 4 1/2 pounds of jellybeans for himself and 1 pound for his friend what is the total cost of the jellybeans Howard buys
Answers
Answer:
Howard bought a total of 4.5 + 1 = 5.5 pounds of jellybeans.
At 0.80 x 5.5 = $4.40.
solve this problem step by step.
2x^3+17x^2+30x
Answers
simplify 2 x 4x x 2y
Answers
Step-by-step explanation:
16xy is your Answer..
hope it helps
Answer:
The answer is 16xy
Step-by-step explanation:
All we have to do is take out the x and the y then multiply.
2 * 4 * 2 = 16
Then we add the x and y back.
= 16xy
So, the answer is 16xy
Hope this helps! :)
PLS AWNSER ILL GIVE BRAILIEST PLS
Answers
Answer:
i think its c
Step-by-step explanation:
What is the right answer please
Answers
Answer:
a is the answer my aunt told me she is a teacher
On Thursday, a restaurant serves iced tea to 65 of its 245 customers. What percent of the customer ordered iced tea? Round to the nearest whole percent. *
Answers
65/245 = 0.2653
Multiply 0.2653 by 100 to get the percentage = 26.53%
Rounding to the nearest whole percent = 27%
Mrs Mills buys 4 packs of treats for her cats, Fluff and tigger
she gives Fluff 1/6 of a pack each day
She gives tigger 1/5 of a pack each day
for how many complete days will the 4 packs of treats last
Answers
Answer: 10 days
Step-by-step explanation:
1/6 + 1/5 = 5/30 + 6/30 = 11/30 (total for the day)
4 / (11/30) = 10.90909091 (divide the total amount of packages by the daily total)
So 10 complete days.
what is the VOLUME of this rectangular prism!
Answers
Answer:
There`s no photo but I can still help tell you how to solve the volume of a rectangular prism. Just multiply the length by the width, and then that by the height.
The formula is V = lwh
Hope this helps
a cubic base tank has edges 5m long. If 500 000 litres of water is poured into the tank, what will the water level be?
Answers
36600 level of water and that is the answer
A pair of shoes have been marked up by 65%. If the original price was $40.00, what is the new price?
Answers
Answer:
40 multiplied by 65 is 2600 then we divide by 65 and our answer is 65.so 65 plus 40 is 105.
Step-by-step explanation:
(9,-3) and (9,-4) the slope is what
Answers
Answer:
Undefined
Step-by-step explanation:
Question 9 of 10
True or False? A circle could be circumscribed about the quadrilateral below.
Answers
Answer:
t
Step-by-step explanation:
A circle can be circumscribed about the given quadrilateral, the answer is: A. True.
We know that,
To circumscribe a circle about a quadrilateral means to place the quadrilateral inside the circle, such that the four vertices of the quadrilateral touches the circumference of the circle.
Opposite angles of a circumscribed polygon are supplementary.
Therefore, a circle can be circumscribed about the given quadrilateral, the answer is: A. True.
Learn more about circumscribed polygon on:
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adadaadadadadadadadad
Answers
Answer:
I think B and D
Step-by-step explanation:
I’m not 100% sure tho
Find the value of x to the nearest tenth. PLEASE HELP ANSWER THIS!!!
Answers
Use Sohcahtoa
Given hypothenuse = 10
Adjacent = x
And angle degree of 52
You can use Cosine
Cos(52) = x/10
0.6156614753 = x/10
x = 6.156614753
Round to nearest tenth
Solution: 6.2
Answer:
7.8
Step-by-step explanation:
Identify sin cos or tan
In this case you would use tangent/tan
tan(∅) = opposite/adjacent
∅ (theta) = angle
plug in what you know to the tangent equation
tan(52) = 10/x
multiply both sides by x
x tan(52) = 10
divide by tan(52) on both sides
x = 10/tan(52)
enter 10/tan(52) in calculator
get 7.81285626...
nearest tenth = 7.8 units
9. A plastic pipe 10 cm long has an
outside diameter of 5 cm and an
inside diameter of 4 cm. If the
density of the plastic is 0.92 g/cm3,
what is the mass of the pipe? Use
3.14 for a, and round your answer
to the nearest gram.
Answers
V = 3.14*length*(outsideradius^2 - innerradius^2)
= 3.14 * 10*(2.5^2 - 2^2)
= 70.65 cm^3
Now find the mass using the formula density = mass / volume:
Mass = volume * density
= 70.65 cm^3 * 0.92g/cm^3
= 65 grams
The mass of the plastic pipe which is 10 cm long and has an outside diameter of 5 cm and an inside diameter of 4 cm is 65 grams.
What is of volume of a hollow cylinder?Volume of a hollow cylinder is the amount of quantity, which is obtained by it in the 3 dimensional space.
The volume of hollow cylinder can be given as,
[tex]V=\pi (r_2^2-r_1^2)h[/tex]
Here, (r₂) is the outer radius of the cylinder, (r₁) is the inner radius of the cylinder and (h) is the height of the cylinder.
A plastic pipe 10 cm long has an outside diameter of 5 cm and an inside diameter of 4 cm. Radius is half of the diameter. Thus, the outer radius is 2.5 cm (5/2) and the inner radius is 2 cm (4/2).
The volume of this cylinder is,
[tex]V=3.14 ((2.5)^2-2^2)\times10\\V=70.65\rm\; cm^3[/tex]
The mass of plastic pipe is the product of its volume and density. The density of the plastic is 0.92 g/cm3. Thus, the mass of it is,
[tex]m=70.65\times0.92\\m=65\rm\; grams[/tex]
Thus, the mass of the plastic pipe which is 10 cm long and has an outside diameter of 5 cm and an inside diameter of 4 cm is 65 grams.
Learn more about the volume of cylinder here;
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The body temperatures of all mosquitoes in a county have a mean of 57∘F and a standard deviation of 10∘F. What is the probability that in a sample of 25 mosquitoes the mean body temperature is greater than 59∘F, assuming the underlying distribution is normal? Do not write probability in terms of percentage. Round your answer to two decimal places.
Answers
Answer:
0.16 probability that in a sample of 25 mosquitoes the mean body temperature is greater than 59∘F, assuming the underlying distribution is normal.
Step-by-step explanation:
To solve this question, we need to understand the normal probability distribution and the central limit theorem.
Normal Probability Distribution:
Problems of normal distributions can be solved using the z-score formula.
In a set with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the z-score of a measure X is given by:
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.
Central Limit Theorem
The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean [tex]\mu[/tex] and standard deviation [tex]s = \frac{\sigma}{\sqrt{n}}[/tex].
For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.
The body temperatures of all mosquitoes in a county have a mean of 57∘F and a standard deviation of 10∘F.
This means that [tex]\mu = 57, \sigma = 10[/tex]
Sample of 25:
This means that [tex]n = 25, s = \frac{10}{\sqrt{25}} = 2[/tex]
of 25 mosquitoes the mean body temperature is greater than 59∘F, assuming the underlying distribution is normal?
This is 1 subtracted by the pvalue of Z when X = 59. So
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
By the Central Limit Theorem
[tex]Z = \frac{X - \mu}{s}[/tex]
[tex]Z = \frac{59 - 57}{2}[/tex]
[tex]Z = 1[/tex]
[tex]Z = 1[/tex] has a pvalue of 0.84
1 - 0.84 = 0.16
0.16 probability that in a sample of 25 mosquitoes the mean body temperature is greater than 59∘F, assuming the underlying distribution is normal.
20 POINTS PLS HALP!!!
Greenland is the least densely populated country in the world, with a population of 57,714 and
an area
of 836,109 square miles. To the nearest hundredth, what is the population density of
Greenland in people per square mile?
Answers
Answer:
number of people / land area = population density
57,714 / 836,109 ≈ 0.07 people/[tex]mi^2[/tex]
Answer:
.07 people per square mile
Step-by-step explanation:
We can just divide the people by area
57714/836109=.06902688525 or about .07 people per square mile
I think you got confused about the division and what to divide by what
Look over here we divide the PEOPLE by the AREA so we get the amount of PEOPLE per square mile
If we did it the opposite way we get THE AREA that EACH PERSON HAS
A.right triangle
B.isosceles triangle
C.obtuse triangle
D.scalene triangle
HELP PLSSS THIS IS DUE BY 2:00 AM I NEED IT ASAPPP
Answers
Answer:
B. Isosceles triangleStep-by-step explanation:
It is a vertical section and the figure formed from the cross-section is:
Isosceles triangleCorrect choice is B
lord help me pleaseeeee
Answers
Answer:
B
Step-by-step explanation:
i just think it is because you would not survey anyone that was not in the science class
Find the area of the following
kite:
8 cm
2 cm
2 cm
2 cm
2
A = [?] cm2
Enter
Answers
Answer:
Area = 12
Step-by-step explanation:
The perpendicular bisector of the triangle going from upper left to the middle marks the height of the triangle. It's area is found from the standard formula.
Area = b * h / 2
b = 2 + 2 = 4
h = 8
Area = 1/2 * 4 * 8
Area = 1/2 * 32
Area = 16
The smaller triangle is found from all the twos.
b = 2 + 2 same as the larger triangle
h = 2
Area = 1/2 2 * 4
Area = 1/2 8
Area = 4
Total Area = 4 + 16
Total Area = 20
Answer:
Area=20
Step-by-step explanation:
A = 20 cm
2. Choose a mapping diagram of the ordered pairs {(3,17), (5,19), (7,19),
(11,23), (13,29)).
Please help
Answers
Answer: C
Step-by-step explanation: The hypothesis of the right triangle is shorter than the right.
Which of the expressions shown has a GCF of 5ab^2 with 15ab^3?
A. 30ab^2
B.30a^2b^5
C. 25ab^2
D. 5ab^2
Answers
Answer:
The greatest common factor of 5ab^2 and 15ab^3 is 5ab^2
The greatest common factor between the two expressions will be 5ab²
What is the greatest common factor?
The greatest common factor is the largest positive number which can be divided into given numbers evenly.
Here the two numbers are:-
5ab² and 15ab³ or 5ab² and 5ab² x b
So we can see that the highest common factor between the two numbers will be 5ab².
To know more about the greatest common factor follow
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the cost of 24 water bottles is $6. Which expression shows how to find the cost of 10 bottles of water? a.) 24/10 × 6
b.) 6/10 × 24
c.) 6/24 × 10
d.) 24/6 × 10
Answers
Answer:
d. is ur answer
Step-by-step explanation:
Due in 20 minutes please help now what’s the answer I will give you brainiest
Answers
Answer:
The volleyball team's variability is greater because the range is greater! :)
Answer:
first answer your correct
Step-by-step explanation:
So basically the basketball team and the volleyball team are different because the basketball team has more people on it. The height difference is greater for basketball team.
Luke is planning to lay two decorative pieces of wood across the 12-inch by 24-inch rectangular glass centerpiece of a cabinet. Each piece will lie on a diagonal of the centerpiece.
Select a number from the drop down menu to correctly complete the statement.
Each piece of wood should have a length of approximately.
Answers
Answer:
26.8
I might be late but its never to late to give the right answer
Answer:
yup the answer is 26.8
Step-by-step explanation:
i made a 100 so trust me!
Belleview High School has 12 chaperones for 198 students on a field trip. Which of the following schools has the same ratio of chaperones to students?
Group of answer choices
Answers
Answer:
Jefferson High School
Step-by-step explanation:
so the same ratio would be 12 chaperones to 210 students....12/210 reduces to 2/35
18/300 reduces to 3/50
20/350 reduces to 2/35
8/160 reduces to 1/20
14/260 reduces to 7/130
So the same ratio would be Jefferson High School